1 Scope
2
Control model
2.1 Device codes
3
Commands
3.1 Terminal configuration, +STC
3.2 Close logical channel, +STH
3.3 Data configuration, +SDC
3.4 Audio transmit configuration, +SAC
3.5 Audio receive mode +SAM
3.6 Video transmit configuration +SVC (Class 18 only)
3.7 Video receive mode +SVM (Class 18 only)
3.8 Data indication reporting, +SDR
3.9 Audio indication reporting, +SARR
3.10 Video indication reporting, +SVRR (Class 18 only)
3.11 Capabilities indication reporting, +SCRR
4
Additional commands
4.1 Set audio code, +VAC
4.2 Receive gain selection, +VGR
4.3 Transmit gain selection, +VGT
4.4 Beep tone duration timer, +VTD
4.5 DTMF and tone generation, +VTS
4.6 Ring local phone, +VRL
4.7 Speakerphone ON/OFF, +VSP
4.8 Train acoustic echo-canceller, +VTA
4.9 Train hybrid echo-canceller, +VTH
4.10 Speakerphone configuration, +VDX
4.11 Phone hookswitch status, +VPH
4.12 Telephony port hook control, +VHC
5
Indications
5.1 Remote terminal capabilities indications
5.1.1 Remote terminal capability table entry
indications, +SRCV, +SRCA, +SRCD
5.1.2 Remote terminal simultaneous capability
indication, +SRSC
5.2 Data channel indication, +SDI
5.3 Audio receive channel indication, +SAR
5.4 Audio transmit channel indication, +SAT
5.5 Video receive channel indication, +SVR (Class 18 only)
5.6 Video transmit channel indication, +SVT (Class 18 only)
6
Additional indications
6.1 Audio code report, +VACR
6.2 Caller ID report, +VCIDR
6.3 DID report, +VDIDR
6.4 Simple telephony event report, +VTER
7
In-band indications and commands
7.1 In-band indications
7.2 In-band commands
7.3 Remote DCE in-band commands and indications